export function createBox() {
  const geometry = new THREE.BoxGeometry(5, 5, 5)
  const material = new THREE.MeshLambertMaterial({
    color: "pink",
  })
  const mesh = new THREE.Mesh(geometry, material)
  // 随机生成长方体xyz坐标
  const x = (Math.random() - 0.5) * 200
  const y = (Math.random() - 0.5) * 200
  const z = (Math.random() - 0.5) * 200
  mesh.position.set(x, y, z)
  return mesh
}
